unfavorable balance of trade 贸易逆差bank portfolio 银行资产housing mortgages 住房按揭barter trade 易货贸易bills and forms 单据和表格fiscal year 财政年度cargo insurance 货物保险carrying vessel 装货船只clean payment credit 光票付款信用证clearance sale 清仓减价销售accounting system会计制度comparative advantage 比较优势economic incentives经济动机financial statements财务报表bills of exchange汇票captioned goods上述商品floating policy统保单International speciallzation 国际分工Straight B/L 记名提单under separate cover 另函irrevocable letter o
